1" Filter King Air Filter 21x24x1

★★★★★ 4.1 121 reviews

$90.00
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$90.00
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Free shipping Free 30-day returns

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Product details

Management number 213559134 Release Date 2026/04/12 List Price $36.00 Model Number 213559134
Category

A 21x24x1 air filter, measuring nominally 21 x 24 x 1 inches and actually 21 x 24 x 0.75 inches, with a 1-inch thickness and pleated design. It's a rigid cardboard filter, ideal for HVAC units and furnaces, offering 90% standard filtration efficiency without odor elimination. Suitable for both residential and commercial use.

  • Nominal Dimensions: 21 x 24 x 1 inches
  • Actual Dimensions: 21 x 24 x 0.75 inches
  • Thickness: 1 inch
  • Filter Style: Pleated
  • Frame Material: Rigid Cardboard
  • Compatibility: HVAC Units, Furnaces
  • Usage: Residential & Commercial
Brand Name Filter King
Manufacturer Filter King
Material Type Paper
Number of Items 3
Compatible Devices HVAC, Furnace

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4.1 out of 5
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121 ratings | 50 reviews
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